freescale: vsc3316_3308: fix header inclusion guard

It seems like the header inclusion guard for some Freescale crosspoint
switch header was misspelled.

Make the preprocessor symbol for the #ifndef and #define lines the
same, so that the double inclusion protection works as expected.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/freescale/common/vsc3316_3308.h b/board/freescale/common/vsc3316_3308.h
index 49a684f..8d343ba 100644
--- a/board/freescale/common/vsc3316_3308.h
+++ b/board/freescale/common/vsc3316_3308.h
@@ -4,7 +4,7 @@
  */
 
 #ifndef __VSC_CROSSBAR_H_
-#define __VSC_CROSSBAR_H	1_
+#define __VSC_CROSSBAR_H_
 
 #include <common.h>
 #include <i2c.h>